Ribbed ball



FIG. 1 is a front elevational view of a ribbed ball showing my new design, with the back elevational view being identical thereto;

FIG. 2 is a top plan view thereof, with the bottom plan view being identical thereto;

FIG. 3 is a right side elevational view thereof, with the left side being identical thereto;

FIG. 4 is an alternative front elevational view of a ribbed ball showing my new design, with the back side elevational view being identical thereto;

FIG. 5 is a top plan view of the ribbed ball shown in FIG. 4, with the bottom plan view being identical thereto; and,

FIG. 6 is a right side elevational view of the ribbed ball shown in FIG. 4, with the left side being identical thereto. 

The ornamental design for a ribbed ball, as shown and described. 